3M's polishing papers have super flexible non-woven backings for easy polishing of flat and contoured surfaces of acrylic, polyurethane, solid surface composites, fiberglass, aluminum, precious metals,finished wood and other soft materials.Can be used with or without water.For best results work in sequence from the most coarse to the finestgrade. Papers can be cut into strips for use on Zona's Sanding Sticks, or taped using 37-959 Super Bond Film Tape and made into rolls for use on the Finger Sanders.Comes in six micron